Respiratory

Snapshot A 60-year-old man presents to the emergency room after a motor vehicle accident.

Introduction – Pulmonary Edema Overview Pulmonary edema is a medical condition characterized by the

Snapshot A 4-year-old boy presents to the emergency room for a cough. His mom

Introduction A form of obstructive lung disease  Pathophysiology Robust inflammatory response (neutrophil proteases)→ structural

Introduction Suppurative inflammation of lung tissue within normal parenchyma result of autodigestion of tissue

Introduction Definition inflammation and fibrosis of the small airways (bronchioles)  manifestation of chronic rejection

Overview Dissolved CO2 Bicarbonate (HCO3–) Carbaminohemoglobin ~5-10% of total CO2 content 70% of total CO2 content

Overview Airflow, Pressure, and Resistance Q = ΔP / R airflow is directly proportional

Dead Spaces Anatomic Dead Space volume of conducting airways that does not participate in gas

Overview ↑ O2 demand → ↑ respiratory rate and ↑ tidal volume → ↑ minute ventilation ↑ O2 consumption and

Flow Volume Loops Describes change in lung volume and air flow during a respiratory cycle Curve

Overview High altitude → ↓ atmospheric pressure (Patm) and ↓ alveolar PO2 Ventilation ↓ alveolar PO2 → ↑ respiratory